Wɔ welding machine nhyehyɛe no mu no, ade no fa welding thermal process, metallurgical reaction, welding stress ne deformation, a ɛde nsakrae ba nnuru a ɛwɔ mu, metallographic structure, ne kɛse ne ne nsusuwii mu, sɛnea ɛbɛyɛ a weld no adwumayɛ taa yɛ soronko wɔ base metal no ho, ɛtɔ mmere bi mpo a entumi nni ahwehwɛde ahorow a wɔde di dwuma no ho dwuma. Wɔ dade a ɛyɛ adwuma anaasɛ dade a ɛyɛ adwuma pii fam no, ɛsɛ sɛ wɔde welding akwan titiriw te sɛ electron beam welding anaa laser welding di dwuma de nya welds a ɛyɛ papa. Nnwinnade a ɛho nhia pii na ɛnyɛ den pii sɛ wɔde bɛyɛ weld pa no, dodow no ara na nneɛma no weldability yɛ papa; Nea ɛne eyi bɔ abira no, hia a ehia sɛ wonya welding akwan a ɛyɛ den na ne bo yɛ den, welding nneɛma titiriw ne nhyehyɛe mu gyinaesi ahorow, ɛkyerɛ sɛ saa ade yi a weldability no nyɛ papa.
bere a yɛde di dwuma no . Automatic welding tracking system Sɛ yɛbɛtumi ayɛ nneɛma a, ɛsɛ sɛ yɛdi kan hwehwɛ weldability a ɛwɔ nneɛma a wɔde di dwuma no mu de hwɛ sɛ ebia structure materials, welding nneɛma, ne welding akwan a wɔapaw no fata anaa. Akwan pii wɔ hɔ a wɔfa so susuw sɛnea nneɛma no yɛ weld no ho, na ɔkwan biara betumi akyerɛkyerɛ weldability no fã pɔtee bi mu nkutoo. Enti, ɛho hia sɛ wɔyɛ sɔhwɛ ahorow de kyerɛ weldability no koraa. Wobetumi akyekyɛ sɔhwɛ kwan no mu ayɛ no simulation type ne experimental type. Kan no yɛ welding ɔhyew ne onwini su ho mfonini; Wɔsɔ nea etwa to no hwɛ sɛnea welding tebea ankasa te. Sɔhwɛ a ɛwɔ mu no titiriw ne sɛ wobehu nnuru a ɛwɔ mu, dade nhyehyɛe, mfiridwuma mu su, welding sintɔ ahorow a ɛwɔ dade a ɛwɔ ase ne weld dade no mu, na wɔakyerɛ ɔhyew a ɛba fam, ɔhyew a ɛkorɔn adwumayɛ, corrosion resistance ne crack resistance a ɛwɔ weldded joint no mu.
1. Nhwehwɛmu kwan a ɛnteɛ a wɔfa so yɛ nhyehyɛe weldability .
Esiane sɛ carbon nkɛntɛnso na ɛda adi kɛse nti, wobetumi adan nneɛma afoforo nkɛntɛnso no ayɛ no carbon nkɛntɛnso, enti wɔde carbon a ɛne no sɛ no di dwuma de susuw weldability a ɛkyɛn so no ho.
Carbon a ɛne no sɛ akontaabu nhyehyɛe a ɛyɛ carbon dade ne dade a wɔde yɛ ade a ɛnyɛ den pii:
Sɛ CE<0.4% a, dade no plasticity ye, hardening tyde no nyɛ nea ɛda adi pefee, na weldability no ye. Wɔ welding mfiridwuma tebea horow nyinaa mu no, welded nkwaa no renpaapae, na mmom wɔ afã horow a ɛyɛ den ne akɛse anaasɛ welding wɔ ɔhyew a ɛba fam mu no, ɛsɛ sɛ wosusuw preheating ho;
Sɛ CE yɛ 0.4 kosi 0.6% a, dade no plasticity so tew, su a ɛma ɛyɛ den no kɔ soro nkakrankakra, na weldability no nyɛ papa. Ɛsɛ sɛ wodi kan yɛ adwuma no hyew yiye ansa na welding no ayɛ welding, na wɔde nkakrankakra ayɛ no nwini bere a weld awie no na amma mpaapaemu amma;
Sɛ CE> 0.6% a, dade no plasticity no yɛ kɛse. Su a ɛma ɛyɛ den ne sɛnea ɛyɛ nwini a ɛpaapae no yɛ kɛse, na weldability no yɛ nea enye koraa. Ɛsɛ sɛ wodi kan yɛ adwuma no hyew ma ɛyɛ hyew kɛse, ɛsɛ sɛ wɔyɛ mfiridwuma mu nneɛma a ɛbɛma welding nhyɛso so atew na wɔasiw mpaapaemu ano, na ɛsɛ sɛ wɔyɛ ɔhyew a ɛfata wɔ welding no akyi.
Dodow a carbon a ɛne no sɛ a wonya fi akontaabu no mu ba no yɛ kɛse no, dodow no ara na dade a wɔde weld ayɛ no yɛ den kɛse, na beae a ɔhyew ka ho no taa yɛ nea mpaapaemu a ɛyɛ nwini wom. Enti, sɛ CE >0.5%, dade no yɛ mmerɛw sɛ ɛbɛyɛ den, na ɛsɛ sɛ wodi kan yɛ welding no hyew na asiw mpaapaemu ano , bere a mprɛte no mu duru ne CE no kɔ soro no, ɛsɛ sɛ ɔhyew a edi kan no nso kɔ soro sɛnea ɛfata.
2. Ɔkwan a wɔfa so yɛ nhwehwɛmu tẽẽ a wɔfa so yɛ nhyehyɛe weldability .
Wɔ welding mpaapaemu sɔhwɛ kwan no so no, wobetumi akyekyɛ mpaapaemu a ɛba wɔ welded joint no mu no mu ayɛ no mpaapaemu a ɛyɛ hyew, mpaapaemu a ɛyɛ nwini, mpaapaemu a ɛsan yɛ hyew, adwennwen a ɛyɛ mmerɛw, laminar nusu, ne nea ɛkeka ho.
(1) T-joint welding crack test kwan. Wɔde saa kwan yi di dwuma titiriw de hwɛ sɛnea carbon steel ne low alloy steel fillet welds a ɛyɛ hyew no yɛ mmerɛw. Wobetumi nso de adi dwuma de ahu nkɛntɛnso a welding abaa ne welding parameters nya wɔ hot crack susceptibility so.
(2) nhyɛso mprɛte butt welding crack test kwan. Saa kwan yi titiriw na wɔde hwɛ sɛnea carbon dade, dade a wɔde afra a ɛba fam, austenitic stainless steel electrodes ne welds te nka. Ɛnam sɔhwɛ afã a wɔde bɛhyɛ Fisco sɔhwɛ afiri no mu so no, sɛ wɔsesa sɛnea groove gap no kɛse te a, ɛwɔ nkɛntɛnso kɛse wɔ mpaapaemu awo ntoatoaso no so. Bere a nsonsonoe no kɔ soro no, dodow no ara na mpaapaemu no nkate yɛ kɛse.
(3) Rigid butt joint crack test kwan. Wɔde saa kwan yi di dwuma titiriw de susuw mpaapaemu a ɛyɛ hyew ne mpaapaemu a ɛyɛ nwini wɔ weld beae no. Ebetumi nso asusuw mpaapaemu a ɛyɛ nwini wɔ beae a ɔhyew ka ho no. Wɔ ase mprɛte no so no, wɔde sɔhwɛ weld no di dwuma sɛnea ankasa adansi welding parameters wɔ sɔhwɛ no mu. Wɔde di dwuma titiriw ma electrode arc welding. Sɛ wɔde weld no hyɛ sɔhwɛ no mu wie a, wɔde gu dan mu hyew mu nnɔnhwerew 24. Wɔ mpaapaemu ho no, wɔtaa susuw mpaapaemu ne nea ɛnyɛ mpaapaemu ho, na wɔde weld abien a wɔde sɔ hwɛ wɔ tebea biara mu.
Sɛ wopɛ nsɛmmisa pii fa welding anaa ɔhyew a wɔde yɛ dade nneɛma ho wɔ . Laser Welding Pipe Production Line , titiriw nsɛmmisa a ɛfa dade a ɛnyɛ den a wɔde weld ayɛ ho no, yɛsrɛ wo, di nkitaho . Hangao Tech (Seko mfiri) a wɔde besusuw ho. Yɛwɔ bɛboro mfe 20 osuahu wɔ . Industrial stainless steel welded pipe a wɔyɛ no welding tube production line . Afei pii nkɔso ne nkabom, yɛn production line mprempren nkutoo nnwinnade wɔ China a ebetumi awie nyinaa akwan wɔ intanɛt so, a nea ɛka ho ne: forming welding, inner weld leveling, online bright solid solution, polishing, etc. Sɛ wowɔ nsɛmmisa bi fa welded pipe manufacturing nnwinnade ho a, yɛsrɛ wo, ntwentwɛn wo nan ase sɛ wobɛkɔ yɛn nkyɛn. Yɛbɛma wo ano aduru a ɛkɔ akyiri na wotumi de ho to so!
